F(x) = x^2-5 For the function shown, what is the range of the function when the domain is (2, 4,7}?
A)
{-1, 44)
B)
[-1,-5)
C)
[6, 21, 54)
D)
{-1, 11, 44)
I need help ASAP

You have a square piece of cardboard that measures 14 inches on each side. to build a box, you cut congruent squares out of each corner of the cardboard. use the picture to find the area of the cardboard you were used to build the box

Which function in vertex form is equivalent to f(x) = x2 + 6x + 3? f(x) = (x + 3)2 + 3 f(x) = (x + 3)2 − 6 f(x) = (x + 6)2 + 3 f(x) = (x + 6)2 − 6

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.